Sea moss is rich in nutrients—but it can also contain dangerous levels of heavy metals and iodine. Here’s what to know before ...

The most common dashi is made from katsuobushi (dried bonito flakes) and kombu (dried sea kelp). While dashi is made with fish, it doesn't have the same fishy flavor as stock made from fresh fish ...

also known as kelp, wakame and hijiki. Red algae include nori and dulse. (Yes, nori is a red alga, not green. The green color is a result of its being dried and toasted.) Green algae include sea ...